EM Module Catalog

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All modules are ready for delivery. Any module in the catalog can be ordered with delivery in 3–5 working days. 1–2 new modules go into the shop every month.

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Operations · Accuracy

EM-14 · Accuracy Enhancement

● On sale

Methods for improving the accuracy and metrological assurance of custody transfer metering systems.

Covers all known significant factors that affect measurement accuracy and data transfer reliability: elimination of systematic error, equipment configuration, redundancy, alarm logic, measurement analysis, DataFeedback.

Public Professional

60-page PDF module + EM-14 glossary (132 terms) + EM Catalog PDF.

For engineers, metrologists and auditors.

€49 Buy Public →

NDA Expert

127-page PDF module: procedures, worksheets, case studies + glossary + EM-14 Catalog PDF.

Delivered after the NDA is signed.

from €350 Order NDA →

Coming soon to the shop

◐ Available now — on order in 3–5 working days
◐ October 2026

The tender as the first technical act of the project.

Requirements to define before choosing a supplier: metrology, laboratory, verification scheme, contractor qualification, FAT/SAT, documentation and the responsibilities of each party.

For: customer's engineer · procurement · supplier · manager

◐ October 2026

Laboratory, procedures and verification of flow computers.

Role of the accredited laboratory, reference standards, verification procedures, FloBoss S600+ protocols and practical control of all measuring channels.

For: metrologist · laboratory service · accreditation body

Ready to order

■ Module ready · delivery in 3–5 working days
■ Ready to order

Specification, FEED and choice of measurement method.

Early decisions: measurement method, accuracy class, flowmeter selection, requirements for the prover, laboratory, redundancy scheme and evidence base.

For: engineer · procurement · contract lawyer

Systems engineering

EM-3 · Engineering A–Z

■ Ready to order

Desk reference for the lead metrology engineer.

The full path of a custody transfer metering system: pre-design, design, implementation, FAT/SAT, commissioning, pilot operation, maintenance and audit. Where the metrologist leads decisions and where costly errors arise.

For: engineer · project manager

■ Ready to order

Design of custody transfer metering systems.

Process, instrumentation and control, SCADA, civil works, power supply, measurement mathematics and the impact of each design section on the accuracy of the commercial result.

For: designer · project manager · metrologist

Customer and manufacturer: aligning the project.

GOST & OIML alignment. How the factory engineer, the receiving party, the dealer, the engineering company and operations agree on decisions so that the equipment works reliably whatever changes occur in the standards.

For: engineer · project coordinator · supplier / distributor

■ Ready to order

Key instruments and reference standards of metering systems for crude oil and petroleum products.

Mass flowmeter, prover, density meter, pressure and temperature transmitters, flow computers: practical advantages and limitations when selecting equipment.

For: project engineer · procurement · supplier / OEM

■ Ready to order

QCS and flow density.

Design features of a QCS for a specific project: a worked example of the isokinetic coefficient of the sampling probe and Legal Shield aspects.

For: designer · operations · laboratory

■ Ready to order

Installation, commissioning, SAT and start-up.

Control sequence: installation, loop checks, commissioning, algorithm checks, initial verification, baseline, SAT and the first commercial result.

For: commissioning engineer · project manager · supplier

Verification scheme

EM-12 · Verification Scheme

■ Ready to order

Traceability: from the reference standard to the product transfer certificate.

Traceability chain: reference standard → laboratory → prover → mass flowmeter → flow computer → certificate. The basis of the legal force of the measurement result.

For: metrologist · quality manager · institute / methodologist

■ Ready to order

Verification and calibration protocols and Legal Shield.

The central practical module: mass flowmeter, prover, density meter, pressure, temperature, flow computer, reference standards, calculations, archive and the chain of evidence. The NDA edition includes Excel protocols by measurement type.

For: metrologist · procurement · lawyer / auditor

■ Ready to order

Error, uncertainty, MPE and GUM.

The bridge between the technical calculation, the laboratory certificate, the contract and a dispute: where to apply MPE, where GUM, and how to protect the result.

For: metrologist · commercial department · laboratory / auditor

■ Ready to order

On-site verification procedure.

Built as a metrologist's desk reference: preparation, reference standard certificates, work on site, measurements per protocol, analysis, report and recommendations.

For: field metrologist · operations · laboratory / commission

Maintenance / Operations

EM-16 · Technical Maintenance

■ Ready to order

Maintenance of custody transfer metering systems.

Scheduled maintenance at levels 1/2/3, preparation for verification, control of metrological characteristics, protocol archive, service contract, diagnostics and readiness of the system for result acceptance.

For: operations engineer · service team · site manager

■ Ready to order

Commercial data, reporting and audit trail.

Data lifecycle: raw data, processing, validation, approval, data substitution, archiving, reporting and integrity protection.

For: automation / SCADA engineer · operations · lawyer / compliance

■ Ready to order

Documentation as a tool for management and financial protection.

Specification, design, FAT/SAT, protocols, certificates, archives, seals, software versions, checksums, signatures and an evidence matrix for an audit or a dispute.

For: technical supervision · document controller · lawyer / auditor

■ Ready to order

Commissions, remote and on-site audit, Legal Shield.

A practical service module: NDA, document checklist, analysis, management report, engineering report, commission roles, conclusions and the next stage of work.

For: technical supervision · site manager · lawyer · commission members

■ NDA only · up to 7 working days

Development of custody transfer metering and Pro meter R&D.

Trends: GUM, digitalization, Legal Shield, DataFeedback, new configurations, test rigs, compact provers, publications, institutes and paid co-authorship.

For: R&D engineer · head of development · institute / university

■ Ready to order

Terminology of the whole project: from specification to maintenance.

250–300 terms with Pro meter interpretation: custody transfer, metering system, verification, calibration, MPE, uncertainty, traceability, Legal Shield. Configurations RU-RU, RU-EN, EN-EN, EN-LV.

Price: 1 configuration — €89 · all 4 — €149

Technical Guide

EM-1 · Technical Guide General Overview

◇ Free · PDF November 2026

Overview of all EM modules and of metrological assurance as a whole.

A map of the series: which module fits which project stage and which role. Web version — 2025 edition, being updated. The new PDF overview is sent free by e-mail on release.

How to order

1

Choose a module

By project stage or by your role. Need help choosing? Write to us.

2

Buy or order

Modules on sale — online. All others — with the “Order” button, by e-mail.

3

Payment

Online card payment or by Pro meter SIA invoice.

4

PDF by e-mail

Within 3–5 working days. The NDA edition follows once the NDA is signed.

You can order any module in the catalog

Delivery time — 3–5 working days. Public and NDA formats, PDF by e-mail.

Order a module →

For your project

★ Price by agreement

Complete set

All EM series modules by subscription: Public and NDA, with updates to new editions.

Discuss →

Consultation

Analysis of your task: tender, design, verification, a dispute over a measurement result.

Book →

Project support

A contract for metrological support of the custody transfer metering system — from specification to commissioning and audit.

Discuss →
Made to order — for your project →
CompanyPro meter SIA · Ventspils, Latvia

Confidentiality: full protocols, calculation models, archives, site-specific data and Pro meter internal methods are provided within the agreed scope of work, under a contract and an NDA (non-disclosure agreement).

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